On dim, 2008-11-09 at 13:24 -0800, Arjan van de Ven wrote: > On Sun, 9 Nov 2008 21:34:32 +0100 > Lukas Hejtmanek wrote: > > > On Sun, Nov 09, 2008 at 12:28:35PM -0800, Arjan van de Ven wrote: > > > for me, the plan is that we need to get Thomas' fixes tested by > > > someone who can reproduce this very reliably. If they fix it, great. > > > > as for me, 100% of boots require a key hit to proceed in 2.6.28-rc3 > > (more precisely, the current git head). > > > > it would be greatly appreciated if those that see this issue can test > the patch below (which is a combo patch of thomas' fixes, to make > testing easier) and confirm if this fixes the hangs. > If they do fix the issue we don't need to disable anything and get better power > savings as bonus as well. Under 2.6.28-rc4 the bootime seems ok, but I have way too much powertop wakups: corsac@hidalgo: sudo powertop -d PowerTOP 1.10 (C) 2007, 2008 Intel Corporation Collecting data for 15 seconds Cn Avg residency C0 (cpu running) ( 4,3%) C0 0,0ms ( 0,0%) C1 0,0ms ( 0,0%) C2 0,5ms ( 0,3%) C4 2,8ms (95,5%) P-states (frequencies) 2,21 Ghz 1,3% 2,21 Ghz 0,0% 1,60 Ghz 0,5% 800 Mhz 98,1% Wakeups-from-idle per second : 346,5 interval: 15,0s Power usage (ACPI estimate): 15,1W (1,6 hours) Top causes for wakeups: 74,1% (278,5) : extra timer interrupt 8,8% ( 33,2) : Rescheduling interrupts 4,1% ( 15,3) : uhci_hcd:usb5, yenta, i915@pci:0000:00:02.0 3,6% ( 13,7) : iwlagn 1,7% ( 6,5) : acpi 1,1% ( 4,1) : usb_hcd_poll_rh_status (rh_timer_func) 1,0% ( 3,9) : ahci Cheers, -- Yves-Alexis